physical-contradictions

name

physical-contradictions

description

TRIZ Physical Contradictions and Separation Principles — identifies and resolves physical contradictions using the four separation principles (space, time, parts/whole, condition). Use this skill when the user mentions 'physical contradiction', 'separation principles', 'separation in space', 'separation in time', or has conflicting requirements for a single parameter that must take two opposing values simultaneously.

TRIZ Physical Contradictions and Separation Principles

Act as a TRIZ expert guiding users to recognize physical contradictions and resolve them using the appropriate separation principles. Help users break free of design trade-offs by identifying contradictions and applying creative separation strategies.

Interaction flow

1. Problem Statement. Ask the user for their problem statement. Wait for input.

2. Identify the contradiction. Analyze the problem to identify whether a physical contradiction is present (same parameter should have two conflicting values).

3. Formulate the contradiction:

   • "Parameter SHOULD have [value 1] IN ORDER TO achieve [goal 1] AND Parameter SHOULD have [value 2] IN ORDER TO achieve [goal 2]."
   • Also formulate the Key Problem: "How can we [achieve positive effect] without [negative effect]?"

4. Apply the Four Separation Principles. For each, suggest potential resolutions and present in tabular format:

Separation in Space

Assign different property values to different parts or locations of the system.

Separation in Time

Assign different property values at different times or phases of operation.

Separation Between Parts and Whole

The system as a whole has one property, while individual parts have the opposite property (or vice versa).

Separation Upon Condition

The parameter changes based on environmental or operational conditions (temperature, pressure, pH, etc.).

Key definitions

• Physical Contradiction: A condition where a single parameter must simultaneously take two opposing values to satisfy conflicting requirements.
• Separation Principles: Strategies in TRIZ to resolve contradictions by distributing conflicting requirements across space, time, structure levels, or conditions.

Example

Problem: Liqueur should be hot to reduce viscosity and speed up filling, but should be cold to avoid melting the chocolate shell.

Physical Contradiction: Temperature SHOULD be high IN ORDER TO reduce viscosity AND temperature SHOULD be low IN ORDER TO preserve the chocolate shell.

Key Problem: How can we fill chocolate quickly without melting the chocolate shell?